Tippmann A-5 Marker W/SS RESPONSE TRIGGERTippmann A 5 with Response Trigger . 68 Caliber Paintball Marker Response Trigger allows the A 5 to fire full auto without batteries Cyclone Feed System can fire 15 balls per second without batteries The A 5 can be field stripped in less than 60 seconds without tools Two position external selector switch allows players to easily change from safe to firing mode Enhanced ergonomics with a longer front grip, lighter weight body and easier to remove push